Binding for books



March 1o, 1925. v W. S. ENGEL ET AL BINDING FOR BOOKS Filed Aug. 19,1921 Patented Mar. 10, 1925.

UNITED STATES- 1,529,018 PATENT' OFFICE.

WALTER S. ENGEL AND CHARLES L. ENGEL, OFKANSAS CITY, MISSOURI.

BINDING Eon Books.

To all whom t may concern:

Be it known that we, WALTER S; ENGEL and CHARLES L. ENGEL, citizens ofthe United States, residing at Kansas City, in the county of Jackson andState of Missouri, have inventedy a certain new and useful ImprovementinBindings for Books, of which the following is a specification.

Our inventionrelates to improvements in bindings for books. It relatesparticularly to bindings for leaves permanently sewed together.

One of the objects of our invention is to provide a cover for a bookwhich is strong, durable, cheapl'to make, which will withstand hard;usage, and which is substantially fireproof. f .y

A further object of ourinvention is the provision of a novel back memberfora book which is made of one piece of material and which is providedwith integral hubs on its outer side. y v .n y

A further object of our invention is to provide novel and'efiicientmeans for attaching the cover members tothe back andto the bound leaves.y' l n. Still another object ofr our invention is to provide in the backsubstantially fire proof means for protecting the leaves.

Our invention provides further a one piece cover member.

novel The novel features of our invention are hereinafter fullydescribed `and claimed.

In 'the accompanying drawing whichillus- `trates the'preferredembodiment of our invention,

Fig 1 is a.. plan view of our improved book, partly broken away, withthe .cover members in the open position. Q y

Fig. 2 is across section on the line 2 2 ofFig.1.` l p Fig. 3 is a4perspective view of the'outer back member.

' Fig. 4 isv a perspective view of the inner back member and the plateshinged thereto. Fig. 5 is ya perspective view of a portion of the boundleaves vand the tapes secured there-tof y Fig. Gris a perspective viewof one of the cover members.

Similar reference characters` designate similar parts in the differentviews.

The back of the book comprises an outer back member l, preferably asingle piece of material, such as vulcanized fibre, andhav ing integralhubs 2 on its outer side.- 'The' I vApplication med augusty 19, 1921,.`serial- No. 493,574.

inner side of the member l is transversely curved, and the ends of themembers are respectively provided with integral inwardly extendingflanges 3.

Mounted on the inner side of themember 1 and secured thereto in anysuitable manner, as by screws 4 is an inner back member 5, preferably ofsubstantially non-inflammable material, such as sheet metal. Thelongitudinal edges of the member v5 are formed into longitudinal barrels6 the ends of which are covered by the flanges 3.y

Mounted in the barrels 6l are pintles 7 to which .are hingedrespectively two metal plates, 8, as best shown in Fig.` 4.

vwhich extendsto the inner edge of the cover memberand which is providedwith a relatively shallow portion 10k and a deeper portion 11.

, The hinge plates Sarefrespectively fitted in the deeper portions 11and may be secured -to the covers 9 by screws 12.

13 designates leaves permanently bound together at their inner edges bylsewing, or stitching. l,Secured to the bound edges of the leaves 13 aretapes 14, which overlap at -their projecting ends the plates 8, to whichthe tapesare secured by securing members comprising thin plates 15 whichare respectively fitted and glued in the marginal'por- .tions 10'of therecesses in the cover members 9.,l

By having theplate 5 and hinge plates 8 of non-inflammable material,such as sheet steel, asubstantially fire proof structure is afforded forthe bound inner edges of the leaves andfor the connection between thecover members and the back.

Our improved book binding is particularly adapted for large recordbooks. which are heavy and are subiected to severe usage. Such books areusually disposed singularly f-latwise between closely Vvadjacent metalshelves, so that the' backs of the books are the most exposed to damagefrom fire. By providing the protective covering in the back.vthe leavesof the book are knot liable tobe easily damaged by fires which may breakout in vault or other place where the books are stored i f' ...Yi-m,

y Y The x flanges 3 prevent the removal kot the' By providing backs andcover members et vulcanized libre, each member comprising` a singleintegral piece, a very durable binding is afforded and which does notrequire canvas or other covering.

We do not limit our invention to the structure shown and described, asmany modifications, within the scope of the appended claims, may be madewithout depart ing from the spirit of our invention..

What we claim is:

l. ln a device of the kind described, the combination with a back andtwo cover members, of two plates hinged to opposite longitudinal edgesof said back and respectively fastened to one side of said covermembers, leaves bound together at their inner edges, one or moretransverse tapes attached to the bound inner edges of the leaves and atopposite ends respectively overlapping said hinged plates, and twosecuring members respectively attached to said cover members andextending over and securing said tapes to said hinged platesrespectively, substantially as set forth.

2. In a device of the kind described, the combination with a back, oftwo cover members', each having on one side a recess, two plates hingedrespectively to opposite longitudinal edges of the back and respectivelyfitted and secured in said recesses, leaves bound together at their`inner edges, one or more transverse tapes attached to the bound inneredges of the leaves and at opposite ends respectively overlapping saidhinged plates, and two securing members respectively attached to saidcover members and extending over and securing saidv tapes to said'hingedplates respectively, substantially as set forth.

3. In a device of the kind described. the combination with a back, oftwo cover mem bers, each having at one side a marginal portion of' lessdepth than the remaining portion, two plates hinged'y respectively toopposite longitudinal edges of the back and respectively7 fitted in thedeeper portions of said recesses, leaves bound together at their inneredges', one or more transverse tapes attached to the bound inner edgesof said leaves and at opposite ends overlapping said hinged plates` andtwo securing members respectively lit-ted in andV secured to saidmarginal portions and extending over and securing said tapes tosaid'hin'ged` plates respectively, substantially7 as set forth'.

4. In a device of the kind described, the combination with a backcomprising an outer and an' inner member fastened together, of two covermembers, two plates respectively hinged to' opposite longitudinal edgesof said inner member and'respectively fastened toy one side of saidcover members, leaves bound together at their inner edges, one or moretransverse tapes attached to the bound inner edges of said leaves and atopposite ends respectively1 overlapping said hinged plates, and meanscovering said tapes and attached to said cover members and attachingsaid tapes to said hinged plate, substantially as set forth.

5. In a device of the kind described, a back of a book comprising aninner member and an outer member attached together, the inner memberhaving longitudinal barrels formed respectively inits longitudinaledges, the outer member having inwardly extending flanges at oppositeends extend ingl over the adjacent ends of the adjacent barrels, pintlesmounted respectively in said barrels, said flanges extending across theopposite ends respectively of said pintles in position to obstruct thewithdrawal of the latter from said barrels, and two Cover membersupporting plates respectively hinged to said pintles, substantially asset forth.

6. In a device of the kindy described. the

back of a book comprising an outer mem- 7. In a device of the kinddescribed, the n back of a book comprising an outer member havinginwardly extending flanges at its ends and an inner metal plate attachedto the-inner side of said outer member and having at its longitudinaledges barrels over which said flanges extend, pintl'es in Said barrelsrespectively.y two cover members each having on its inner side a recesswhich extends to the inner edge of the member, two metal plates hingedrespectively to said pintles and respectively secured to said cover,members in said recesses, leaves bound permanently together attheirinner edges.;v one or more tapes secured to the inner edges of saidleaves and overlapping said metal. plates, and securing members'attachedrespectivelv to the, cover members and overlapping and securingsaidtapes tesa-id hinged platessubstantiallv as set forth.

In testimony whereof we have signedfour names to this specification.` i

WALTER s. ENGEL. eHAELEs E. ENGEL.

